Ratio Charts

		43	44	45	46	47	48	49	50	51	52	53	54	55	56
	43	1.0	-2.3	-4.5	-6.5	-8.5	-10.4	-12.2	-14.0	-15.7	-17.3	-18.9	-20.4	-21.8	-23.2
	44	1.0	1.0	-2.3	-4.3	-6.4	-8.3	-10.2	-12.0	-13.7	-15.4	-17.0	-18.5	-20.0	-21.4
	45	4.7	2.3	1.0	-2.2	-4.3	-6.2	-8.2	-10.0	-11.8	-13.5	-15.1	-16.7	-18.2	-19.6
	46	7.0	4.5	2.2	1.0	-2.1	-4.2	-6.1	-8.0	-9.8	-11.5	-13.2	-16.4	-16.4	-17.9
	47	9.3	6.8	4.4	2.2	1.0	-2.1	-4.1	-6.0	-7.2	-9.6	-11.3	-13.0	-14.5	-16.1
B	48	11.6	9.1	6.7	4.3	2.1	1.0	2.0	-4.0	-5.9	-7.7	-9.4	-11.1	-12.7	-14.3
O	49	14.0	11.4	8.9	6.5	4.3	2.1	1.0	-2.0	-3.9	-5.8	-7.5	-9.3	-10.9	-12.5
T	50	16.3	13.6	11.1	8.7	6.4	4.2	2.0	1.0	-2.0	-3.8	-5.7	-7.4	-9.4	-10.7
T	51	18.6	15.9	13.3	10.9	8.5	6.3	4.1	2.0	1.0	-1.9	-3.8	-5.6	-7.3	-8.9
O	52	20.9	18.2	15.6	13.0	10.6	8.3	6.1	4.0	2.0	0.0	-1.9	-3.7	-5.5	-7.1
M	53	23.2	20.5	17.8	15.2	12.8	10.4	8.2	6.0	3.9	1.9	0.0	-1.9	-3.6	-5.4
	54	25.5	22.7	20.0	17.4	14.9	12.5	10.2	8.0	5.9	3.8	1.9	0.0	-1.8	-3.6
P	55	27.9	25.0	22.2	19.6	17.0	14.6	12.2	10.0	7.8	5.8	3.8	1.9	0.0	-1.8
U	56	30.2	27.3	24.4	21.7	19.1	16.7	14.3	12.0	9.8	7.7	5.7	3.7	1.8	0.0
L	57	32.5	29.5	26.7	23.9	21.3	18.8	16.3	14.0	11.8	9.6	7.5	5.6	3.6	1.8
L	58	34.8	31.9	28.9	26.1	23.4	20.8	18.4	16.0	13.7	11.5	9.4	7.4	5.5	3.6
E	59	37.2	34.1	31.3	28.3	25.5	22.9	20.4	18.0	15.7	13.5	11.3	9.3	7.3	5.4
Y	60	39.5	36.4	33.3	30.4	27.7	25.0	22.4	20.0	17.6	15.4	13.2	11.1	9.1	7.1
	61	41.8	38.6	35.6	32.6	29.8	27.1	24.5	22.0	19.6	17.3	15.1	13.0	10.9	8.9
	62	44.2	40.9	37.8	34.8	31.9	29.2	26.5	24.0	21.6	19.2	17.0	14.8	12.7	10.7
	63	46.5	43.2	40.0	37.0	34.0	31.1	28.6	26.0	23.5	21.2	18.9	16.7	14.5	12.5
	64	48.8	45.5	42.2	39.1	36.2	33.3	30.6	28.0	25.5	23.1	20.8	18.5	16.4	14.3
	65	51.2	47.7	44.4	41.3	38.3	35.4	32.7	30.0	27.5	25.0	22.6	20.4	18.2	16.1
	66	53.5	50.0	46.7	43.5	40.4	37.5	34.7	32.0	29.4	26.9	24.5	22.2	20.0	17.9
	67	55.8	52.3	48.9	45.6	42.6	39.6	36.7	34.0	31.4	28.8	26.4	24.1	21.8	19.6
	68	58.1	54.5	51.1	47.8	44.7	41.7	38.8	36.0	33.3	30.8	28.3	25.9	23.6	21.4
	69	60.5	56.8	53.3	50.0	46.8	43.8	40.8	38.0	35.3	32.7	30.2	27.8	25.5	23.2
	70	62.8	59.1	55.6	52.2	48.9	45.8	42.9	40.0	37.3	34.6	32.1	29.6	27.3	25.0

		57	58	59	60	61	62	63	64	65	66	67	68	69	70
	43	-24.6	-25.9	-27.1	-28.3	-29.5	-30.6	-31.7	-32.8	-33.8	-34.8	-35.8	-36.8	-37.7	-38.6
	44	-22.8	-24.1	-25.4	-26.7	-27.9	-29.0	-30.2	-31.2	-32.3	-33.3	-34.3	-35.3	-36.2	-37.1
	45	-21.1	-22.4	-23.7	-25.0	-26.2	-27.4	-28.6	-29.7	-30.8	-31.9	32.8	-33.8	-34.8	-35.7
	46	-19.3	-20.7	-22.0	-23.3	-24.6	-25.8	-27.0	-28.1	-29.2	-30.3	-31.3	-32.4	-33.3	-34.3
	47	-17.5	-19.0	-20.3	-21.7	-23.0	-24.4	-25.4	-26.6	-27.7	-28.8	-29.9	-30.9	-31.9	-32.9
B	48	-15.8	-17.2	-18.6	-20.0	-21.3	-22.6	-23.8	-25.0	-26.2	-27.3	-28.4	-29.4	-30.4	-31.4
O	49	-14.0	-15.5	-16.9	-18.3	-19.7	-21.0	-22.2	-23.4	-24.6	-25.8	-26.9	-27.9	-29.0	-30.0
T	50	-12.3	-13.8	-15.3	-16.7	-18.0	-19.4	-20.0	-21.9	-23.1	-24.2	-25.4	-26.5	-27.5	-28.6
T	51	-10.5	-12.1	-13.6	-15.0	-16.4	-17.7	-19.0	-20.3	-21.5	-22.7	-23.9	-25.0	-26.1	-27.1
O	52	-8.8	-10.3	-11.9	-13.3	-14.8	-16.1	-17.5	-18.8	-20.0	-21.2	-22.4	-23.5	-24.6	-25.7
M	53	-7.0	-8.6	-10.2	-11.7	-13.1	-14.5	-15.9	-17.2	-18.5	-19.7	-20.9	-22.1	-23.2	-24.3
	54	-5.3	-6.9	-8.5	-10.0	-11.5	-12.9	-14.3	-15.6	-16.9	-18.2	-19.4	-20.6	-21.7	-22.9
P	55	-3.5	-5.2	-6.8	-8.3	-9.8	-11.3	-12.7	-14.1	-15.4	-16.7	-17.9	-19.1	-20.3	-21.4
U	56	-1.8	-3.4	-5.1	-6.7	-8.2	-9.7	-11.1	-12.5	-13.8	-15.2	-16.4	-17.6	-18.8	-20.0
L	57	0.0	-1.7	-3.4	-5.0	-6.6	-8.1	-9.5	-10.9	-12.3	-13.6	-14.9	-16.2	-17.4	-18.6
L	58	1.8	0.0	-1.7	-3.3	-4.9	-6.5	-7.9	-9.4	-10.8	-12.1	-13.4	-14.7	-15.9	-17.1
E	59	3.5	1.7	0.0	-1.7	-3.3	-4.8	-6.3	-7.8	-9.2	-10.6	-11.9	-13.2	-14.5	-15.7
Y	60	5.3	3.4	1.7	0.0	-1.6	-3.2	-4.8	-6.3	-7.7	-9.1	-10.4	-11.8	-13.0	-14.3
	61	7.0	5.2	3.4	1.7	0.0	-1.6	-3.2	-4.7	-6.2	-7.6	-9.0	-10.3	-11.6	-12.9
	62	8.8	6.9	5.1	3.3	1.6	0.0	-1.6	-3.1	-4.6	-6.1	-7.5	-8.8	-10.1	-11.4
	53	10.5	8.9	6.8	5.0	3.3	1.6	0.0	-1.6	-3.1	-4.5	-6.0	-7.4	-8.7	-10.0
	64	12.3	10.3	8.5	6.7	4.9	3.2	1.6	0.0	-1.5	-3.0	-4.5	-5.9	-7.2	-8.6
	65	14.0	12.1	10.2	8.3	6.6	4.8	3.2	1.6	0.0	-1.5	-3.0	-4.4	-5.8	-7.1
	66	15.8	13.8	11.9	10.0	8.2	6.5	4.8	3.1	1.5	0.0	-1.5	-2.9	-4.3	-5.7
	67	17.5	15.5	13.6	11.7	9.8	8.1	6.3	4.7	3.1	1.5	0.0	-1.5	-2.9	-4.3
	68	19.3	17.2	15.3	13.3	11.5	9.7	7.9	6.3	4.6	3.0	1.5	0.0	-1.4	-2.9
	69	21.1	19.0	16.9	15.0	13.1	11.3	9.5	7.8	6.2	4.5	3.0	1.5	0.0	-1.4
	70	22.8	20.7	18.6	16.7	14.8	12.9	11.1	9.4	7.7	6.1	4.5	2.9	1.4	0.0

	25	26	27	28	29	30	31	32	33	34	35	36	37
25	1.0	-3.8	-7.4	-10.7	-13.8	-16.7	-19.4	-21.9	-24.2	-26.5	-28.6	-30.6	-32.4
26	4.0	1.0	-3.7	-7.1	-10.3	-13.3	-16.1	-18.7	-21.2	-23.5	-25.7	-27.8	-29.7
27	8.0	3.8	1.0	-3.6	-6.9	-10.0	-12.9	-15.6	-18.2	-20.6	-22.9	-25.0	-27.0
28	12.0	7.7	3.7	1.0	-3.4	-6.7	-9.7	-12.5	-15.2	-17.6	-20.0	-22.2	-24.3
29	16.0	11.5	7.4	3.6	1.0	-3.3	-6.5	-9.4	-12.1	-14.7	-17.1	-19.4	-21.6
30	20.0	15.4	11.1	7.1	3.4	1.0	-3.2	-6.2	-9.1	-11.8	-14.3	-16.7	-18.9
31	24.0	19.2	14.8	10.7	6.9	3.3	1.0	-3.1	-6.1	-8.8	-11.4	-13.9	-16.2
32	28.0	23.1	18.5	14.3	10.3	6.7	3.2	1.0	-3.0	-5.9	-8.6	-11.1	-13.5
33	32.0	26.9	22.2	17.9	13.8	10.0	6.5	3.1	1.0	-2.9	-5.7	-8.3	-10.8
34	36.0	30.8	25.9	21.4	17.2	13.3	9.7	6.3	3.0	1.0	-2.9	-5.6	-8.1
35	40.0	34.6	29.6	25.0	20.7	16.7	12.9	9.4	6.7	2.9	1.0	-2.8	-5.4
36	44.0	38.5	33.3	28.6	24.1	20.0	16.1	12.5	9.1	5.9	2.9	1.0	-2.7
37	48.0	42.3	37.0	32.1	27.6	23.3	19.4	15.6	12.1	8.8	5.7	2.8	1.0
38	52.0	46.2	40.7	35.7	31.0	26.7	22.6	18.8	15.2	11.8	8.6	5.6	2.7
39	56.0	50.0	44.4	39.3	34.5	30.0	25.8	21.9	18.2	14.7	11.4	8.3	5.4
40	60.0	53.8	48.1	42.9	37.9	33.3	29.0	25.0	21.2	17.6	14.3	11.1	8.1
41	64.0	57.7	51.9	46.4	41.4	36.7	32.3	28.1	24.2	20.6	17.1	13.9	10.8
42	68.0	61.5	55.6	50.0	44.8	40.0	35.5	31.3	27.3	23.5	20.0	16.7	13.5
43	72.0	65.4	59.3	53.6	48.3	43.3	38.7	34.4	30.3	26.5	22.9	19.4	16.2
44	76.0	69.2	63.0	57.1	51.7	46.7	41.9	37.5	33.3	29.4	25.7	22.2	18.9
45	80.0	73.1	66.7	60.7	55.2	50.0	45.2	40.6	36.4	32.4	28.6	25.0	21.6

Toll Free: 800/576-7661
"Our Ultimate Goal is Your Success"

We STOCK the following performance race products: BDS, The Blower Shop (TBS), Control Cable, Deist Safety, DJ Safety, Enderle Fuel Injection, IMI Hi-Torque Starters, JAZ Products, JESEL, Lucas Oil, Mallory Ignition, Prolong, RCD Engineering, SCE Gaskets, Smiley Headers, System 1 Filters, Total Seal Rings and Wilwood Brakes.

Building a better world for children

Wish to join the Good Vibrations World Vision team? Click here

8mm Drive Ratio

Top Pulley

13.9mm & 14mm (Same for 1/2" Pitch)

Top Pulley